Copper Harbor vs Perennial Green
Copper Harbor and Perennial Green come from the same Sherwin-Williams collection. Hue-wise, Copper Harbor belongs to the beige family and Perennial Green to the green family. The NaN-point LRV gap — NaN for Perennial Green vs 30 for Copper Harbor — means Perennial Green will open up a space more effectively. Where Copper Harbor leans warm, Perennial Green reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of NaN puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Copper Harbor vs Perennial Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Copper Harbor on one side and Perennial Green on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Copper Harbor comparisons
See how Copper Harbor stacks up against other well-photographed colors across different brands and tones.








































